This is a water-proof contact-less proximity card access control reader , support EM, or mf proximity cards is one of the most advanced access control reader, using a unique design, smart panel operation, built-in high-end microprocessors, high anti-interference ability and high security and reliability, can provide strong security. It has ultra-low power, Wiegand output, easy to use, can be widely used in homes, offices, residential quarters and other public places.